Modem



FIG. 1 is a perspective view of a modem showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevation thereof;

FIG. 5 is a rear elevation thereof;

FIG. 6 is a right side elevation thereof; and,

FIG. 7 is a left side elevation thereof. 

The ornamental design for a modem, as shown and described. 